Update README.md

Author: kraigb

README.md

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 # Python/Flask Tutorial for Visual Studio Code
 
 * This sample contains the completed program from the tutorial, make sure to visit the link: [Using Flask in Visual Studio Code](https://code.visualstudio.com/docs/python/tutorial-flask). Intermediate steps are not included.
-* It also contains the Dockerfile and uwsgi.ini files necessary to build a container with a production server. The resulting image works both locally and when deployed to Azure App Service. See [Deploy Python using Docker containers](https://code.visualstudio.com/docs/python/tutorial-deploy-containers).
-* To run the app:
+
+* It also contains the *Dockerfile* and *uwsgi.ini* files necessary to build a container with a production server. The resulting image works both locally and when deployed to Azure App Service. See [Deploy Python using Docker containers](https://code.visualstudio.com/docs/python/tutorial-deploy-containers).
+
+* To run the app locally:
   1. Run the command `cd hello_app`, to change into the folder that contains the Flask app.
   1. Run the command `set FLASK_APP=webapp` (Windows cmd) or `FLASK_APP=webapp` (macOS/Linux) to point to the app module.
   1. Start the Flask server with `flask run`.